[jira] [Updated] (SPARK-48669) K8s resource name prefix follows DNS Subdomain Names rule

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-48669?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated SPARK-48669:
-----------------------------------
    Labels: pull-request-available  (was: )

> K8s resource name prefix follows DNS Subdomain Names rule
> ---------------------------------------------------------
>
>                 Key: SPARK-48669
>                 URL: https://issues.apache.org/jira/browse/SPARK-48669
>             Project: Spark
>          Issue Type: Bug
>          Components: k8s
>    Affects Versions: 3.5.1
>            Reporter: Xi Chen
>            Priority: Major
>              Labels: pull-request-available
>
> In SPARK-39614, we extended the allowed name length from 63 to 253 for executor pod and config map.
> However, when the pod name is exceeded length 253, we don't truncate it. This leads to error when creating the Spark pods.
> Error example:
> {code:java}
> Caused by: io.fabric8.kubernetes.client.KubernetesClientException: Failure executing: POST at: https://kubernetes.default.svc.cluster.local:443/api/v1/namespaces/foo/pods. Message: Pod "some-super-long-spark-pod-name-exceeded-length-253-driver" is invalid: metadata.name: Invalid value: "some-super-long-spark-pod-name-exceeded-length-253-driver": must be no more than 253 characters. {code}



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